Home / 1,692,976.14-2,336,335.65-929,100.78

Finding the Fourth Proportional to 1,692,976.14, 2,336,335.65 and 929,100.78

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Solution

The fourth proportional to 1,692,976.14, 2,336,335.65 and 929,100.78 is: 1,282,174.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,976.14 : 2,336,335.65 = 929,100.78 : x
  2. Step 2: Convert to fraction form
    1,692,976.14/2,336,335.65 = 929,100.78/x
  3. Step 3: Cross multiply
    1,692,976.14x = 2,336,335.65 × 929,100.78
  4. Step 4: Simplify right side
    1,692,976.14x = 2,170,691,274,756.81
  5. Step 5: Solve for x
    x = 2,170,691,274,756.81/1,692,976.14
  6. Step 6: Final answer
    x = 1,282,174.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.